ISM330BX datasheet(137/150 Pages) STMICROELECTRONICS

137 / 150 page

Contents

Overview ..........................................................................3

Embedded low-power features .....................................................4

2.1

Finite state machine ............................................................ 5

2.2

Machine learning core .......................................................... 6

2.3

Adaptive self-configuration (ASC) ................................................. 6

2.4

Sensor fusion low power ........................................................ 7

2.5

Tilt detection................................................................... 7

2.6

Significant motion detection ...................................................... 7

2.7

Pedometer functions: step detector and step counters ............................... 8

2.8

Pedometer algorithm ........................................................... 8

Pin description ....................................................................9

3.1

Pin connections ............................................................... 10

Module specifications ............................................................12

4.1

Mechanical characteristics ...................................................... 12

4.2

Electrical characteristics........................................................ 15

4.3

Temperature sensor characteristics .............................................. 16

4.4

Communication interface characteristics .......................................... 17

4.4.1

SPI - serial peripheral interface ............................................. 17

4.4.2

I²C - inter-IC control interface .............................................. 19

4.4.3

TDM - time-division multiplexing interface ..................................... 20

4.5

Absolute maximum ratings...................................................... 21

4.6

Terminology .................................................................. 22

4.6.1

Sensitivity ............................................................. 22

4.6.2

Zero-g and zero-rate level ................................................. 22

Digital interfaces .................................................................23

5.1

I²C/SPI interface .............................................................. 23

5.1.1

I²C serial interface....................................................... 23

5.1.2

I²C operation ........................................................... 24

5.1.3

SPI bus interface........................................................ 26

5.2

MIPI I3C® interface ............................................................ 29

5.2.1

MIPI I3C® target interface ................................................. 29

5.2.2

MIPI I3C® CCC supported commands ....................................... 29

5.2.3

Overview of antispike filter management...................................... 30

5.3

TDM interface ................................................................ 31

ISM330BX

Contents

DS14588 - Rev 2

page 137/150

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